Gypsum Roving yakagadzirirwa kusimbaradza gypsum. Yakachekwa kuita hurefu chaihwo uye chop inosanganiswa negypsum, starch uye accelerating agent.Zvadaro musanganiswa wacho unoumbwa, unoporeswa, wakachekwa uye woomeswa kuti uite huremu hwekuvaka mapuranga.